Sue Hitchcock is a civil engineer working on the Thames Tideway Tunnel, a new engineering project which, along with the Lee Tunnel and upgrade of London's major sewage treatment works, will update London's Victorian sewer system to cope with the many millions more people now living and working in the capital.

Eloise is responsible for things that go bump on the radio, or bark, or crash! As a sound engineer she uses the latest recording technology to make radio drama sound realistic!

Engineers like Yasmin Ali work out how to get oil and gas from deep out of the ground, often from challenging locations like the middle of the sea, and back onto land where we want to use it to power our televisions, computers, and more!

Walking, running and moving are things that most people can luckily take for granted much of the time. But, if you have an injury or disability this can make these activities more difficult. This is where rehabilitation engineering comes in. Everybody is different - and engineers like Louise help design equipment that will work for a particular person.

Engineers working in a chocolate factory, like Aoibheann Hurley, design, assemble and improve production lines to make great chocolate on a large scale.

Lucy is a London-based visual effects artist who helps bring the biggest Hollywood films to the silver screen at VFX House, Double Negative.

Ian Rawlings has to use all his engineering experience to keep trains moving on the London Underground as well as updating the trains, tracks and signalling systems at the same time - a difficult, important and rewarding job!

Rory Hadden investigates how fires ignite, spread and how they can be extinguished. This research is then used to save lives by creating safer buildings for us to live and work in.

Jaz uses her mechanical engineering skills to find out where supermarkets, retailers, and businesses can make changes to become more energy efficient and environmentally friendly.

Engineers like Drew work in developing countries, helping generate local electricity, creating access to clean water, developing basic transport and more. Find out how Drew uses his knowledge and practical engineering skills to bring power to the people of a remote village in Malawi…

James works as a sports engineer at the International Tennis Federation in south-west London. He helps to keep a balance between tradition and technology in this forward-thinking sport, covering balls, rackets, court surfaces and footwear. We took a trip down to their testing lab to find out more.

From the Arctic Monkeys, to Ed Sheeran and the Manic Street Preachers; Guy Massey is the sound engineer recording some of the best in the business.

Whether she’s chasing radio pirates, or helping aeroplanes to land safely, no two days are the same for Sara Salim. Sara works as a Radio Spectrum Engineer for Ofcom, making sure we get crisp and clear radio, television, and mobile phone signals. Tomorrow’s Engineers spoke to Sara about the buzz of engineering, and the glamour of her job behind the scenes.

If you’re engineering parts for planes, trains or nuclear plants, how do you measure how well they’re working? How do you know if they’re feeling the strain in certain areas or might break? And how can you do this with objects made of metal, when it might not be obvious to the human eye?

Chris Gosling joined McLaren's graduate programme four years ago and now has a big input on the engineering of super-fast cars like the one in this video!

Chris has an ice cool engineering job making ice creams in Naples, in Italy - the home of modern ice cream. He helps make the swirling Cornetto patterns on a large scale for people in parks the world over.

Cars and road vehicles are responsible for almost a quarter of greenhouse gas emissions in the UK in 2012 and Steve Large hopes to make a dent in this figure working as an engineer to create electric car charging points.

We put ourselves in Asha's shoes, to find out what it's like to be a footwear production engineer at famous British boot brand Dr Martens.

We spoke to Joshua Macabuag, earthquake and tsunami researcher, and search and rescue volunteer engineer.

Design engineer Lee sees engineering as a combination of science and art - find out why.

How can engineers make some of our most popular products in an efficient, sustainable and environmentally-friendly way as possible?

10 million car journeys, half a million cycle rides and 6 million bus trips every day - Kamlah Kew tells us about the challenges of traffic control engineering for London!

Dr David James is a sports engineer and course leader for the Sports Engineering MSc at Sheffield Hallam University. Read about how he helps big sports companies, sports governing bodies and professional teams in their quest for cutting-edge sports equipment.

Hurricane Haiyan caused devastation in the Philippines in 2013 - find out how Alice Bond is using her engineering skills to help the local communities.

Structural engineering can play a crucial role in sports by building stadiums that allow everyone can see the action. We spoke to Pete about his involvement with the Velodrome and other projects!

Engineers work for the British Army - what do they do? Major Matt Smith tells us.

Kimberley is a graduate at vehicle engineering, test and development company MIRA, keeping drivers safe on the roads through crash barrier testing and more.

Patty Srinath works in the Digital Sports department at the Nike headquarters. She uses her engineering knowledge and her love of sports to make brand new gadgets to track and measure our fitness!

If Willy Wonka was an engineer, he might have a job like Rob Sharpley! Rob has been working to increase the amount of chocolate that his factory can produce in an energy-efficient way.

40% of UK carbon emissions come from the built environment, and building services engineers like Sally are helping make buildings more sustainable and comfortable.